C([O:8][C:9]1[CH:21]=[CH:20][C:12]([O:13][CH2:14][C:15]([O:17][CH2:18][CH3:19])=[O:16])=[CH:11][CH:10]=1)C1C=CC=CC=1>[Pd].C(O)C>[OH:8][C:9]1[CH:10]=[CH:11][C:12]([O:13][CH2:14][C:15]([O:17][CH2:18][CH3:19])=[O:16])=[CH:20][CH:21]=1EThyl 4-benzyloxyphenoxyacetate (5.8 g.) was hydrogenated in the presence of 0.5 g. of palladium-on-carbon catalyst in 200 ml. of absolute ethanol. There was obtained 4.00 g. of ethyl 4-hydroxyphenoxyacetate, m.p. 124°-125° C. when recrystallized from isopropyl alcohol.
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